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6061 Aluminum Round Tubes
6061 Aluminum Round Tubes
6061 aluminum is a precipitation-hardened aluminum alloy containing magnesium and silicon as its major alloying elements. As the most versatile of the heat-treatable aluminum alloys, it offers an exceptional combination of strength, corrosion resistance, and workability. 6061 aluminum round tubes are ideal for structural applications, transportation components, and industrial machinery where a high strength-to-weight ratio and excellent machinability are required.
- 6061-T6 Aluminum
- Structural Grade
- High Strength-to-Weight
- Excellent Machinability
Overview
6061 aluminum round tubes are a premier choice for industrial applications requiring a superior strength-to-weight ratio and excellent corrosion resistance. As part of the 6000 series alloys, 6061 aluminum is precipitation-hardened, with magnesium and silicon as its primary alloying elements. This combination creates a versatile, structural-grade material known for its toughness, weldability, and machinability.
6061 aluminum round tubes are supplied in the T6 temper, which indicates a solution heat treatment followed by artificial aging. This process maximizes the alloy's strength and hardness. The inherent properties of 6061 aluminum make these round tubes highly resistant to atmospheric corrosion and stress cracking, outperforming many other metals in harsh environments. Their lightweight nature significantly reduces overall project weight without compromising structural integrity.
The versatility of 6061 aluminum round tubes makes them suitable for a vast range of industries. They are extensively used in structural frameworks, marine components, truck and trailer frames, and aerospace applications. Fabricators and engineers value them for constructing handrails, machine parts, hydraulic cylinders, and architectural elements where a combination of appearance, strength, and durability is critical.
Choosing 6061 aluminum round tubes provides numerous advantages for B2B buyers. Their exceptional weldability allows for clean, strong joints using common methods like TIG and MIG welding. They are also highly machinable, enabling precise fabrication into complex components. The anodizing response of 6061 aluminum is excellent, allowing for durable, decorative, and protective surface finishes. With good thermal and electrical conductivity, these tubes are also practical for heat exchangers and electrical bus bars. For any project demanding a reliable, strong, and lightweight tubular product, 6061 aluminum round tubes represent an optimal engineering solution.
Specifications
- Standard: ASTM B210 / ASTM B221
- Alloy/Temper: 6061-T6
- Diameter Range (OD): 0.125 inches to 5.000 inches
- Wall Thickness Range: 0.028 inches to 0.250 inches
- Length: Standard 12-foot and 24-foot random lengths; custom cut lengths available
- Tolerances: Diameter: 0.005 inches; Wall Thickness: 10%; Straightness: 1/16 inch per foot
- Condition: Drawn, seamless or welded
- Finish: Mill finish, can be anodized or painted
Values may vary by mill & heat; verify against the MTR for your order.
Applications
- Structural Frameworks: Trusses, supports, and frames in machinery and equipment
- Transportation: Truck and trailer components, railcar parts, bicycle frames
- Aerospace & Marine: Non-critical aircraft parts, boat rails, masts, and marine hardware
- Architectural: Handrails, curtain walls, and decorative structures
- Industrial Machinery: Pneumatic cylinders, actuator rods, and robotic arms
- Hydraulic Systems: Cylinder barrels and components
- Electrical Applications: Bus bars and conductive components
- Heat Exchangers: Heat transfer applications
- Custom Fabrication: Machine parts, jigs, and fixtures
Weldability
- Excellent weldability using MIG, TIG, and Stick welding processes
- Recommended filler metals: 4043 or 5356 aluminum filler wire
- Pre-heating recommended for sections thicker than 0.25" to prevent cracking
- Post-weld heat treatment may be required to restore strength in heat-affected zones
- Proper cleaning and oxide removal essential for quality welds
- Use proper shielding gas (argon or argon/helium mixtures) for optimal results
How to Measure
Outside Diameter (OD): Measure across the outside of the tube using calipers or a micrometer.
Wall Thickness (WT): Measure the thickness of the tube wall using calipers.
Length: Specify total length in feet or inches.
Ordering Example: 6061-T6 Aluminum Round Tube, 2.000" OD x 0.125" WT x 12' Long
Tolerance Note: Always consider standard tolerances in your design. For critical applications, discuss tight tolerance requirements with our sales team.
Order Checklist
- Outside diameter (OD in inches)
- Wall thickness (inches)
- Alloy and temper (6061-T6)
- Required length (inches or feet)
- Finish (mill finish, anodized, etc.)
- Quantity (pieces or total length)
- Cutting instructions (specific lengths, tolerance)
- Any certifications (MTR, material traceability)
- Special handling or packaging requirements
| Item Size & Description | Weight (lbs.)/Ft | Select Size | Qty | Price | Actions |
|---|---|---|---|---|---|
| 0.293 |
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Enter quantity between 1 and 999 | Select a Size | ||
| 0.398 |
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Enter quantity between 1 and 999 | Select a Size | ||
| 0.528 |
Choose from predefined sizes or select custom size for manual entry |
Enter quantity between 1 and 999 | Select a Size | ||
| 0.645 |
Choose from predefined sizes or select custom size for manual entry |
Enter quantity between 1 and 999 | Select a Size |
Select a Size
0.398
Choose from predefined sizes or select custom size for manual entry
Enter quantity between 1 and 999
Select a Size
0.528
Choose from predefined sizes or select custom size for manual entry
Enter quantity between 1 and 999
Select a Size
0.645
Choose from predefined sizes or select custom size for manual entry
Enter quantity between 1 and 999
